Question

A mouse is riding on the rim of a 2.0kg wagon wheel that rotates freely in a horizontal plane at an angular frequency of 1.00 revs/sec. After riding there for a while the mouse runs into the center (axle) of the wheel. The mass of the mouse is .1 kg and you should assume that all of the mass of the wheel is concentrated around the rim. WHat is the new angular frequency when the mouse reaches the axle?